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Jul 02, 2019· China has been a major source of rare earth metals used in hightech products, from smartphones to wind turbines. As cleanup of these mining sites begins, experts argue that global companies that have benefited from access to these metals should help foot the bill.
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Oct 12, 2019· On this particular page you will find the solution to Like promethium among all the rare earth metals crossword clue crossword clue. This clue was last seen on New York Times Crossword on October 12 2019 In case the clue doesn't fit or there's something wrong please contact us!
And so, too, is the demand for rare earth metals. There's just one problem. China has a monopoly on rare earth production and refinement. The country controls 95% of rare earth production, giving it enormous leverage in the market. Such dominance has created a volatile .
Neodymiumironboron magnets are the strongest magnets known, useful when space and weight are limiting factors. Rareearth magnets are used in computer hard disks and CD–ROM and DVD disk drives. The spindle of a disk drive attains high stability in its spinning motion when driven by a rareearth magnet.
稀土 mearning in English : tombarthite; rare earth 稀土金属 rareearth .. click for more detailed English meaning, translation, definition, pronunciation and example sentences. 稀土 in English 稀土 meaning in English 稀土 English meaning Chinese English dictionary
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The rare earth elements (REE) are fifteen elements with atomic numbers 57 through 71, from lanthanum to lutetium ("lanthanides"), plus yttrium (39), which is chemically similar to the lanthanide elements and thus typically included with the rare earth elements.
Rare earth elements are a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as the lanthanides and exhibit similar chemical properties.